1957 Mercedes-Benz 300D vs. 2001 Opel Signum
To start off, 2001 Opel Signum is newer by 44 year(s). Which means there will be less support and parts availability for 1957 Mercedes-Benz 300D. In addition, the cost of maintenance, including insurance, on 1957 Mercedes-Benz 300D would be higher. At 2,994 cc (6 cylinders), 1957 Mercedes-Benz 300D is equipped with a bigger engine. In terms of performance, 1957 Mercedes-Benz 300D (158 HP @ 5300 RPM) has 33 more horse power than 2001 Opel Signum. (125 HP @ 3250 RPM). In normal driving conditions, 1957 Mercedes-Benz 300D should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1957 Mercedes-Benz 300D weights approximately 320 kg more than 2001 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1957 Mercedes-Benz 300D | 2001 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | 300D | Signum |
| Year Released | 1957 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2994 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 125 HP |
| Engine RPM | 5300 RPM | 3250 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1930 kg | 1610 kg |
| Vehicle Length | 5200 mm | 4640 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1630 mm | 1470 mm |
| Wheelbase Size | 3160 mm | 2840 mm |
| Fuel Tank Capacity | 71 L | 60 L |
